Harvester.



Patented `May. 7, 490|.

n.1. uENToN. HARVESTER, (Application led June 2B, 1900.)

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No. 673,389. Patented May 7, |90l. D. T. BENTON.

HARVESTER.

(Application tiled June 28, 1900.)

(No Model.) 2 Sheets-Sheet 2.

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UNITED STATES PATENT OFFICE.

DANIEL T. DENTON, OF LAKEVIEW, MINNESOTA.

HARVESTER.

SPECIFICATION forming part of Letters Patent No. 673,389, dated May '7,1901.

Application iiled .Tune 28, 1900.

To all whom, t may concern,.-

Be it known that I, DANIEL T. DENTON, a citizen of the United States,residing at Lakeview, in the county of Slt. Louis and State ofMinnesota, have invented certain new and useful Improvements inHarvesters; and I do hereby declare the following to be a full, clear,and exact description of the invention, such as will enable othersskilled in the art to which it appertains to make and use the same.

My invention relates to harvesters,but more particularly to theircutting apparatus, and has for one objectv to provide a cutting meansfor reapers and mowers whereby the endless sickle is renderedpractically operative.

A further object of my invention is to provide an endless cutting meansfor reapers and mowers whereby the endless-sickle chain and theaccompanying grooves and races will not become choked and clogged bylitter, and thus obviate the greatest defect in existing endlesssicklemachines.

With these objects in View l have constructed a cutting apparatus forthe above-named purpose which is simple in its operation,cheap tomanufacture, and, above all, durable and eflicient.4

My invention also consists in certain othe novel features ofconstruction, which will be hereinafter more fully explained andafterward more particularly pointed out in the appended claims.

Referring to the accompanying drawings, Figure 1 is a plan view of myinvention, the central portion being broken away in'order to enlarge theview. Fig. 2 is a sectional view through the flnger-bar and endlesssickle. Fig. 3 is a longitudinal sectional View through the fingers andcutting-knives, the ends of the finger-bar being broken away. Fig. 4 isa front elevation of one of the fingers and cutting-knives,showing thesame in an operative position. Fig. 5 is a perspective of one of thecutting f knives, showing the cutting edges having opposite bevel. Fig.6 is a perspective of one of the steel cutting edges, which is securedto the top of the linger. Fig. 7 is a sectional view through the pulleylocated in the outside drag-shoe.

Like numerals of reference indicate the same parts throughout theseveral figures, in which- Serial No. 21,897. (No model.)

`is oset at 11 in order to allow the rivets or pin-heads 12 of the chain13 to pass freely under.

14 is a steel plate having a downwardlybeveled cutting edge l5 andprovided with two screw-holes 16. Said steel plate is set into the topof the finger, so that the finger, the steel plate, and the offsetportion of the covering-plate l0 are flush, the covering-plate properbeing slightly raised, so that the rivets or pin-heads 12 will clearsaid coveringplate on their return run. Said covering l() and steelplate 14 entirely cover the fingerbar, grooves, and races, having noopening for litter to enter. Y

17 represents the cutting-knives, having oppositely-beveled cuttingedges at 18, thus making them reversible, said cutting-knives beingprovided with pins or rivet-holes 19 to carry the pins or rivets whichsecure said knives to the chain 13.

19 is the inside drag-shoe,which carries the bevel-geared sprocket-wheel20, said wheel meshing with the operating bevel gear-wheel 21. The teethof said gear-wheels are formed with curved or convex outer edges, andthe spaces between them with convex bottoms, and their pivotal pointsare approximately in line with the pitch-lines or center lines when theyare in mesh with the body of the wheels atlright angles to each other.

22 is the outside drag-shoe, in which is journaled the pulley or idler23. The shoe is dovetailed to the outer end of the fingerbar and held atany longitudinal adjustment by the set-screw 24.

25 indicates the ball-bearings upon which the pulley 23 is mounted. Thepivot-pin 26 is secured at its upper end in the shoe and passed into aslot in the finger-bar at its lower end. The inner surface of the pulley23 has a V- groove, which groove, together IOO with the correspondinggrooves in the cones 27 and 28', form a race for the balls 225, saidcones beingadjusted in the ordinary manner.

It is my intention to provide an oil-cup in .some convenient place,whereby the chain and corresponding grooves and races may be keptthoroughly lubricated, thus reducing the friction and rendering theentire cutting apparatus practically noiseless.

Having thus described the several paris of my invention, its operationis as follows' When the bevel-geared sprocket-wheel 20 is turned by theoperating gear-wheel 21, the chain 13 is driven by said sprocket-wheeland carries the cutting-knives 17 in the direction contrary to the handscf a watch. As aforesaid, the edges of the cutting-knives are beveled inopposite directions, so that the edge nearest thesteel cutting edge 15is always beveled on the Vunder side, exactly the reverse of theordinary endless-sickle cutting-knives.

As aforesaid, the steel plate 14 is provided with a beveled cuttingedgel5, said bevel being on the top of the plate 14. In this inanner whenthe cutting-knives are driven i`1n= der said steel platekill `thecutting edges of said knives form a shear cut with the cutting edges 15,as shown in Fig. 4.

By this construction the danger of having f the chain andrdrivingmechanism choked and clogged with litter is reduced to a minimum, asthere is not a single crevice or opening in the top of the fingers orfinger-bar wherein the cut hay or grass can lodge, thus obviating themost dangerous and troublesome defectin endless-sickle apparatus andmaking their usemany times 'more effective, saving labor, and reducingthe wear and expense for repairs to the entire cutting apparatus.

, Having thus fully described the' operation of my invention, I do notwish to be understood as limiting myself `to the exact constructiontherein set forth, as various slight changes might be made therein bythose skilled in the art, and I consider myself entitled to all `suchchanges and modifications 'which fall within the limit and scope of myinvention. Y A

What I claim as new, and desire to secure by Letters Patent of theUnited States, ish

1. In an endless sickle for harvestere, the combination with afinger-bar provided with a sprocket-wheel at its inner end, a shoesecured to the outer end, means for securing it to any adjustment, anidlerjournaled in said shoe, an endless chain, cutting-knives carriedthereon, having diverging cutting edges,

said edges being beveled on the upper and lower faces respectively ofthe cutting-knives in combination with cutting-plates secured to the topof the fingers, said plaies being beveled downwardly toward the ooactingedges of the knives, substantially as described.

2. In an endless sickle for-barvesters, the lfingers andfinger-barprovided with chainraces and knife-depressions, a platecovering the same, an offset in said plate above the drive-chain, pinsfor securing the cuttingknives to said dri ve-chain, the whole arrangedin such. a manne-r that said pins are free to pass under thecovering-plate by reason ofthe offset therein, in combination withcuttingplates secured to the top of the fingers and cutting-knivessubstantially as described.

3. In an endless sickle for harvesters, the combination with thefinger-har, of a drivechain carried therein, a plate substantiallycovering said chain, its rear portion being slightly inclined upwardlytoward its rear to clear the rivet-heads, cutting-knives secured to saidchain by rivets having projecting heads, their advance cutting edgesbeing beveled oiitheir lower sides, plates secured above thecutting-knives, and beveled on their upper sides toward the coaetingedges of the cutting-knives, substantially as described.

4.-. In an endless sickle, the combination with the fingers andfinger-bar of cuttingknives carried therein, a plate covering said`dinger-bar, anv offset in said plate, plates secured to said fingersflush with the top of said iingers and onset, and beveled downwardlyt'owa'rd the coacting edges of the cuttingset, pins securing said knivesto said chain, and arranged in such a manner that they are E free topass under said covering-plate and orfisaid steel plates substantiallyas described.

In testimony whereof I affix my signature lin presence of two witnesses.

DANIEL T. DENTON.

Witnesses:

ISAAC HILL,

H. B. DENTON.

ward the coacting edges of the cutting-knives,v and cutting-knivesupwardly beveled toward knives, a. drive-@nein nevenng under the erf-IOO IIO

